13-letter words containing c, h, e, m
- homing device — a mechanism incorporated into a guided missile, airplane, etc., that aims it toward its objective.
- homoeroticism — a tendency to be sexually aroused by a member of the same sex.
- homogenetical — of, involving or relating to homogeny
- homoiothermic — (of birds and mammals) having a constant body temperature, usually higher than the temperature of the surroundings; warm-blooded
- homopolymeric — relating to or made of homopolymers
- homoscedastic — having the same variance.
- honey stomach — the crop of an ant, bee, or other hymenopterous insect, serving as a reservoir for honeydew and nectar, especially the enlarged crop of a honeybee in which nectar is acted on by enzymes to form honey.
- hormic theory — a theory that holds all behavior to be purposive, whether conscious or unconscious.
- host computer — the main computer in a network: controls or performs certain functions for other computers.
- human ecology — ecology (def 4).
- humped cattle — any of several breeds of domestic cattle developed from the Indian species Bos indicus and characterized by a hump of fat and muscle over the shoulders.
- hygrometrical — Alternative form of hygrometric.
- hypercalcemia — an abnormally large amount of calcium in the blood.
- hyperglycemia — an abnormally high level of glucose in the blood.
- hyperglycemic — an abnormally high level of glucose in the blood.
- hypermagnetic — (physics) Extremely magnetic.
- hypermetrical — Hypermetric.
- hypermetropic — Exhibiting or relating to hypermetropia.
- hyperromantic — extremely or excessively romantic
- hyperuricemia — an excess of uric acid in the blood, often producing gout.
- hypocalcaemia — (medical) alternative spelling of hypocalcemia.
- hypocalcaemic — of or relating to hypocalcaemia
- hypoglycaemia — (medical) alternative spelling of hypoglycemia.
- hypoglycaemic — Alternative spelling of hypoglycemic.
- hypolipidemic — That reduces the concentration of lipid in blood serum.
- hypometabolic — Relating to hypometabolism.
- hypsometrical — Of or pertaining to hypsometry.
- hyracotherium — eohippus.
- iatrochemical — relating to iatrochemistry or iatrochemists
- iceman cometh — a play (1946) by Eugene O'Neill.
- ichneumon fly — any of numerous wasplike insects of the family Ichneumonidae, the larvae of which are parasitic on caterpillars and immature stages of other insects.
- ides of march — 15th March: ominous date
- immunochemist — A chemist whose speciality is immunochemistry.
- impact wrench — an electric or pneumatic power wrench with interchangeable toolhead attachments, used for installing and removing nuts, bolts, and screws.
- inductothermy — the production of fever by means of electromagnetic induction.
- isochromosome — an abnormal chromosome in which the two arms share identical genetic information
- kitchen match — a wooden friction match with a large head, used especially for igniting gas ovens or burners.
- lake michigan — a state in the N central United States. 58,216 sq. mi. (150,780 sq. km). Capital: Lansing. Abbreviation: MI (for use with zip code), Mich.
- lamellibranch — bivalve.
- lead chromate — a yellow crystalline compound, PbCrO 4 , toxic, insoluble in water: used as an industrial paint pigment.
- liebfraumilch — a white wine produced chiefly in the region of Hesse in Germany.
- lockwood home — a house built of timber planks that lock together without the use of nails
- lower chamber — lower house.
- lucifer match — friction match.
- luncheon meat — any of various sausages or molded loaf meats, usually sliced and served cold, as in sandwiches or as garnishes for salads.
- lymphoid cell — a cell in the lymph glands that produces leukocytes.
- maccheroncini — thin pasta tubes made from wheat flour
- machiavellian — of, like, or befitting Machiavelli.
- machiavellism — of, like, or befitting Machiavelli.
- machine cycle — (processor) The four steps which the CPU carries out for each machine language instruction: fetch, decode, execute, and store. These steps are performed by the control unit, and may be fixed in the logic of the CPU or may be programmed as microcode which is itself usually fixed (in ROM) but may be (partially) modifiable (stored in RAM). The fetch cycle places the current program counter contents (the address of the next instruction to execute) on the address bus and reads in the word at that location into the instruction register (IR). In RISC CPUs instructions are usually a single word but in other architectures an instruction may be several words long, necessitating several fetches. The decode cycle uses the contents of the IR to determine which gates should be opened between the CPU's various functional units and busses and what operation the ALU(s) should perform (e.g. add, bitwise and). Each gate allows data to flow from one unit to another (e.g. from register 0 to ALU input 1) or enables data from one output onto a certain bus. In the simplest case ("horizontal encoding") each bit of the instruction register controls a single gate or several bits may control the ALU operation. This is rarely used because it requires long instruction words (such an architecture is sometimes called a very long instruction word architecture). Commonly, groups of bits from the IR are fed through decoders to control higher level aspects of the CPU's operation, e.g. source and destination registers, addressing mode and ALU operation. This is known as vertical encoding. One way RISC processors gain their advantage in speed is by having simple instruction decoding which can be performed quickly. The execute cycle occurs when the decoding logic has settled and entails the passing of values between the various function units and busses and the operation of the ALU. A simple instruction will require only a single execute cycle whereas a complex instruction (e.g. subroutine call or one using memory indirect addressing) may require three or four. Instructions in a RISC typically (but not invariably) take only a single cycle. The store cycle is when the result of the instruction is written to its destination, either a register or a memory location. This is really part of the execute cycle because some instructions may write to multiple destinations as part of their execution.